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Cobra 148F GTL

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EZ CHOPPER
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Cobra 148F GTL

Post by EZ CHOPPER » Monday, 04 December 2017, 9:04 AM

Anyone know how to put variable power in a Cobra 148F GTL Please let me know thanks. I guess picked this up is it a good radio ?


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sonoma
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Re: Cobra 148F GTL

Post by sonoma » Monday, 04 December 2017, 12:41 PM

I have one also Chopper. I did the npc mod to mine. it dead keys 2 watts and swing all the way to the max. only way I know how to put variable in the 148 radio is to pull the vr and run wires to the locations the VR was hooked to and put them on an external out the radio variable control like the mic gain and rf gain control. maybe some one else knows another way.

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Re: Cobra 148F GTL

Post by EZ CHOPPER » Friday, 08 December 2017, 8:04 AM

witch VR

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Re: Cobra 148F GTL

Post by sonoma » Friday, 08 December 2017, 12:45 PM

vr10 is the control for dead key . this is the one most guys will put an external vr in the radio and run the wires to the spots the vr 10 came out of.
I do not put a variable in a single final radio.for the 148 version radio I put the npc mod in it. you can turn the dead key down to 1 1/2 watts to 2 watts and the mod will give you full swing to the radio on AM. just dropping the dead to 2 watts to run a amp will actually lower the swing also. just depends on what you want to drop the dead key for.

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Re: Cobra 148F GTL

Post by EZ CHOPPER » Saturday, 09 December 2017, 8:13 AM

Ok ill check it out way shouldn't you put variable in a single final radio never hard that


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Re: Cobra 148F GTL

Post by sonoma » Saturday, 09 December 2017, 8:41 AM

a single final is rated for a 4 watt dead key and will swing to about 18 at BEST. you can drop the dead key to about 1 1/2 to 2 watts and still swing to 18 . a dual final will swing a lot more. this is just me. never did figure out why some of the radios with a single final the factory put a variable in them other than some people want it. some say they want a low dead key for a amp. if the radio is set up right it will dead key 2 watts for a amp and still swing the full amount.
the only person that will know you have a low dead key is you. the receiving radios will never know you have a low or high dead key.

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Re: Cobra 148F GTL

Post by EZ CHOPPER » Sunday, 10 December 2017, 1:47 AM

Gotcha


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